./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:18:33,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:18:33,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:18:33,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:18:33,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:18:33,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:18:33,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:18:33,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:18:33,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:18:33,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:18:33,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:18:33,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:18:33,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:18:33,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:18:33,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:18:33,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:18:33,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:18:33,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:18:33,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:18:33,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:18:33,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:18:33,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:18:33,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:18:33,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:18:33,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:18:33,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:18:33,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:18:33,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:18:33,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:18:33,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:18:33,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:18:33,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:18:33,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:18:33,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:18:33,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:18:33,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:18:33,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:18:33,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:18:33,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:18:33,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:18:33,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:18:33,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:18:33,658 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:18:33,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:18:33,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:18:33,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:18:33,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:18:33,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:18:33,661 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:18:33,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:18:33,662 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:18:33,662 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:18:33,663 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:18:33,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:18:33,664 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:18:33,664 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:18:33,664 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:18:33,665 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:18:33,665 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:18:33,665 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:18:33,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:18:33,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:18:33,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:18:33,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:18:33,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:18:33,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:18:33,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:18:33,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:18:33,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:18:33,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:18:33,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:18:33,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:18:33,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:18:33,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:18:33,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:18:33,670 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:18:33,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:18:33,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:18:33,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:18:33,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:18:33,671 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2021-11-25 19:18:33,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:18:33,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:18:33,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:18:33,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:18:33,990 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:18:33,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-11-25 19:18:34,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/data/caef323f4/c629ced71af147c3bb3eb955449e77da/FLAG94a65bd05 [2021-11-25 19:18:34,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:18:34,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2021-11-25 19:18:34,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/data/caef323f4/c629ced71af147c3bb3eb955449e77da/FLAG94a65bd05 [2021-11-25 19:18:35,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/data/caef323f4/c629ced71af147c3bb3eb955449e77da [2021-11-25 19:18:35,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:18:35,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:18:35,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:18:35,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:18:35,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:18:35,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:18:35" (1/1) ... [2021-11-25 19:18:35,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579e46e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:35, skipping insertion in model container [2021-11-25 19:18:35,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:18:35" (1/1) ... [2021-11-25 19:18:35,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:18:35,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:18:35,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-11-25 19:18:35,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-11-25 19:18:36,877 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,885 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,886 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,889 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,890 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,907 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,910 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,923 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:36,924 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,333 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:18:37,334 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:18:37,336 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:18:37,337 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:18:37,339 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:18:37,340 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:18:37,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:18:37,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:18:37,344 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:18:37,345 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:18:37,587 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:18:37,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:18:37,909 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:18:37,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2021-11-25 19:18:37,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2021-11-25 19:18:37,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:37,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:38,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:18:38,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:18:38,020 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:18:38,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:18:38,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:18:38,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:18:38,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:18:38,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:18:38,024 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:18:38,024 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:18:38,044 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:18:38,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:38,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:18:38,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:18:38,383 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:18:38,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38 WrapperNode [2021-11-25 19:18:38,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:18:38,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:18:38,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:18:38,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:18:38,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,668 INFO L137 Inliner]: procedures = 690, calls = 2600, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 728 [2021-11-25 19:18:38,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:18:38,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:18:38,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:18:38,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:18:38,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:18:38,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:18:38,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:18:38,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:18:38,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (1/1) ... [2021-11-25 19:18:38,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:18:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:18:38,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:18:38,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:18:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 19:18:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 19:18:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:18:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:18:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:18:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:18:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:18:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:18:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:18:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2021-11-25 19:18:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2021-11-25 19:18:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 19:18:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 19:18:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-25 19:18:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-25 19:18:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:18:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:18:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:18:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:18:39,118 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:18:39,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:18:40,385 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:18:40,469 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:18:40,470 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:18:40,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:18:40 BoogieIcfgContainer [2021-11-25 19:18:40,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:18:40,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:18:40,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:18:40,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:18:40,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:18:35" (1/3) ... [2021-11-25 19:18:40,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd253d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:18:40, skipping insertion in model container [2021-11-25 19:18:40,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:18:38" (2/3) ... [2021-11-25 19:18:40,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fd253d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:18:40, skipping insertion in model container [2021-11-25 19:18:40,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:18:40" (3/3) ... [2021-11-25 19:18:40,482 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2021-11-25 19:18:40,489 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:18:40,489 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:18:40,538 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:18:40,545 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:18:40,545 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:18:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-25 19:18:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 19:18:40,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:18:40,572 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:18:40,573 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:18:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:18:40,582 INFO L85 PathProgramCache]: Analyzing trace with hash -352444336, now seen corresponding path program 1 times [2021-11-25 19:18:40,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:18:40,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809703656] [2021-11-25 19:18:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:18:40,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:18:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:18:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 19:18:41,792 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:18:41,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809703656] [2021-11-25 19:18:41,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809703656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:18:41,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:18:41,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-25 19:18:41,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376176133] [2021-11-25 19:18:41,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:18:41,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:18:41,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:18:41,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:18:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:18:41,831 INFO L87 Difference]: Start difference. First operand has 36 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 19:18:42,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:18:42,284 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-11-25 19:18:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 19:18:42,287 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2021-11-25 19:18:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:18:42,292 INFO L225 Difference]: With dead ends: 44 [2021-11-25 19:18:42,293 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 19:18:42,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-25 19:18:42,308 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:18:42,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 186 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 19:18:42,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 19:18:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 19:18:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 19:18:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 19:18:42,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-25 19:18:42,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:18:42,370 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 19:18:42,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-25 19:18:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 19:18:42,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 19:18:42,374 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 19:18:42,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:18:42,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 19:18:42,503 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2021-11-25 19:18:42,503 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-11-25 19:18:42,503 INFO L861 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2021-11-25 19:18:42,503 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-11-25 19:18:42,503 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-11-25 19:18:42,504 INFO L861 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2021-11-25 19:18:42,504 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-11-25 19:18:42,504 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-25 19:18:42,504 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-25 19:18:42,504 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-25 19:18:42,505 INFO L861 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2021-11-25 19:18:42,505 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-25 19:18:42,505 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-25 19:18:42,505 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 19:18:42,505 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 19:18:42,505 INFO L861 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2021-11-25 19:18:42,506 INFO L854 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (<= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616))) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0))) [2021-11-25 19:18:42,506 INFO L861 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2021-11-25 19:18:42,506 INFO L858 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-11-25 19:18:42,506 INFO L854 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (<= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616))) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0))) [2021-11-25 19:18:42,506 INFO L861 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2021-11-25 19:18:42,507 INFO L854 garLoopResultBuilder]: At program point L8970-1(lines 8959 8971) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (<= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616))) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0))) [2021-11-25 19:18:42,507 INFO L858 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-11-25 19:18:42,507 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-25 19:18:42,507 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-25 19:18:42,507 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-25 19:18:42,507 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-25 19:18:42,508 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-25 19:18:42,508 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-25 19:18:42,508 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-25 19:18:42,508 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-25 19:18:42,508 INFO L854 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (or (and (not (<= 0 (+ |aws_hash_array_ignore_case_#in~len| (* 18446744073709551616 (div (* |aws_hash_array_ignore_case_#in~len| (- 1)) 18446744073709551616))))) (= |aws_hash_array_ignore_case_#in~array.offset| 0) (= |aws_hash_array_ignore_case_#in~array.base| 0)) (and (= |aws_hash_array_ignore_case_#in~array.offset| aws_hash_array_ignore_case_~array.offset) (= |aws_hash_array_ignore_case_#in~array.base| aws_hash_array_ignore_case_~array.base) (<= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (<= aws_hash_array_ignore_case_~len |aws_hash_array_ignore_case_#in~len|))) [2021-11-25 19:18:42,509 INFO L858 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2021-11-25 19:18:42,509 INFO L861 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2021-11-25 19:18:42,509 INFO L858 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2021-11-25 19:18:42,509 INFO L854 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (or (and (not (<= 0 (+ |aws_hash_array_ignore_case_#in~len| (* 18446744073709551616 (div (* |aws_hash_array_ignore_case_#in~len| (- 1)) 18446744073709551616))))) (= |aws_hash_array_ignore_case_#in~array.offset| 0) (= |aws_hash_array_ignore_case_#in~array.base| 0)) (and (= |aws_hash_array_ignore_case_#in~array.offset| aws_hash_array_ignore_case_~array.offset) (= |aws_hash_array_ignore_case_#in~array.base| aws_hash_array_ignore_case_~array.base) (<= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (<= aws_hash_array_ignore_case_~len |aws_hash_array_ignore_case_#in~len|))) [2021-11-25 19:18:42,516 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 19:18:42,517 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 19:18:42,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 07:18:42 BoogieIcfgContainer [2021-11-25 19:18:42,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 19:18:42,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 19:18:42,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 19:18:42,545 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 19:18:42,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:18:40" (3/4) ... [2021-11-25 19:18:42,549 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 19:18:42,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-11-25 19:18:42,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-25 19:18:42,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-25 19:18:42,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-25 19:18:42,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-25 19:18:42,555 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2021-11-25 19:18:42,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-11-25 19:18:42,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2021-11-25 19:18:42,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-25 19:18:42,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 19:18:42,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 19:18:42,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 19:18:42,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 19:18:42,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 19:18:42,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 <= \old(len) + 18446744073709551616 * (\old(len) * -1 / 18446744073709551616)) && array == 0) && array == 0) || (((array == array && array == array) && \old(len) <= len) && len <= \old(len)) [2021-11-25 19:18:43,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 19:18:43,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 19:18:43,498 INFO L158 Benchmark]: Toolchain (without parser) took 8097.50ms. Allocated memory was 92.3MB in the beginning and 270.5MB in the end (delta: 178.3MB). Free memory was 48.0MB in the beginning and 120.3MB in the end (delta: -72.4MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,498 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:18:43,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2980.33ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 47.7MB in the beginning and 84.3MB in the end (delta: -36.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 283.91ms. Allocated memory is still 136.3MB. Free memory was 84.3MB in the beginning and 73.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,500 INFO L158 Benchmark]: Boogie Preprocessor took 85.15ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 67.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,500 INFO L158 Benchmark]: RCFGBuilder took 1717.97ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 67.5MB in the beginning and 114.4MB in the end (delta: -46.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,501 INFO L158 Benchmark]: TraceAbstraction took 2067.15ms. Allocated memory is still 186.6MB. Free memory was 114.4MB in the beginning and 92.6MB in the end (delta: 21.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,501 INFO L158 Benchmark]: Witness Printer took 952.42ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 92.6MB in the beginning and 120.3MB in the end (delta: -27.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2021-11-25 19:18:43,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2980.33ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 47.7MB in the beginning and 84.3MB in the end (delta: -36.6MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 283.91ms. Allocated memory is still 136.3MB. Free memory was 84.3MB in the beginning and 73.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.15ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 67.5MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1717.97ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 67.5MB in the beginning and 114.4MB in the end (delta: -46.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2067.15ms. Allocated memory is still 186.6MB. Free memory was 114.4MB in the beginning and 92.6MB in the end (delta: 21.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 952.42ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 92.6MB in the beginning and 120.3MB in the end (delta: -27.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 20 mSDtfsCounter, 178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 20 PreInvPairs, 21 NumberOfFragments, 126 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 89 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8959]: Loop Invariant Derived loop invariant: (!(array == 0) || length <= 18446744073709551616 * (length / 18446744073709551616)) || !(array == 0) - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: ((!(0 <= \old(len) + 18446744073709551616 * (\old(len) * -1 / 18446744073709551616)) && array == 0) && array == 0) || (((array == array && array == array) && \old(len) <= len) && len <= \old(len)) RESULT: Ultimate proved your program to be correct! [2021-11-25 19:18:43,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e866830-e5f0-44b8-9e9f-e46db4872b9b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE